roseyk82 roseyk82

22-11-2020
Mathematics

contestada

In the diagram, Triangle ABC ~ Triangle ACD. If AD = 12 and DB = 15, What is AC?

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fedaayasser86 fedaayasser86

22-11-2020

Answer:

9

Step-by-step explanation:

DB^2=AD^2+AC^2

15^2=12^2+AC^2

AC^2=225-144

AC^2=81

AC=√81

AC=9

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